DUBISCH, R., & HOOD, V. R. (1979). Basic mathematics with hand-held calculator: A work-text. The Benjamin/Cummings Pub. Co.
Lua i Stíl Chicago (17ú heag.)DUBISCH, Roy, agus Vernon R. HOOD. Basic Mathematics with Hand-held Calculator: A Work-text. Menlo Park: The Benjamin/Cummings Pub. Co, 1979.
Lua MLA (9ú heag.)DUBISCH, Roy, agus Vernon R. HOOD. Basic Mathematics with Hand-held Calculator: A Work-text. The Benjamin/Cummings Pub. Co, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.